(V
參數資料
型號: MAX149AEPP+
廠商: Maxim Integrated Products
文件頁數: 18/23頁
文件大?。?/td> 0K
描述: IC ADC 10BIT SERIAL 20-DIP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 18
位數: 10
采樣率(每秒): 133k
數據接口: MICROWIRE?,QSPI?,串行,SPI?
轉換器數目: 1
功率耗散(最大): 889mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 20-DIP(0.300",7.62mm)
供應商設備封裝: 20-PDIP
包裝: 管件
輸入數目和類型: 8 個單端,單極;8 個單端,雙極;4 個差分,單極;4 個差分,雙極
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
4
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149—4.7FF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless
otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIN, SCLK, CS Input High Voltage
VIH
VDD ≤ 3.6V
2.0
V
VDD > 3.6V
3.0
DIN, SCLK, CS Input Low Voltage
VIL
0.8
V
DIN, SCLK, CS Input Hysteresis
VHYST
0.2
V
DIN, SCLK, CS Input Leakage
IIN
VIN = 0 or VDD
±0.01
±1
μA
DIN, SCLK, CS Input Capacitance
CIN
(Note 10)
15
pF
SHDN Input High Voltage
VSH
VDD -
0.4
V
SHDN Input Mid Voltage
VSM
1.1
VDD -
1.1
V
SHDN Input Low Voltage
VSL
0.4
V
SHDN Input Current
IS
SHDN = 0 or VDD
±4.0
μA
SHDN Voltage, Unconnected
VFLT
SHDN = unconnected
VDD/2
V
SHDN Maximum Allowed
Leakage, Mid Input
SHDN = unconnected
±100
nA
DIGITAL OUTPUTS (DOUT, SSTRB)
Output-Voltage Low
VOL
ISINK = 5mA
0.4
V
ISINK = 16mA
0.8
Output-Voltage High
VOH
ISOURCE = 0.5mA
VDD -
0.5
V
Three-State Leakage Current
IL
CS = VDD
±0.01
±10
μA
Three-State Output Capacitance
COUT
CS = VDD (Note 10)
15
pF
POWER REQUIREMENTS
Positive Supply Voltage
VDD
2.70
5.25
V
Positive Supply Current
IDD
Operating mode, full-scale
input (Note 11)
VDD = 5.25V
1.6
3.0
mA
VDD = 3.6V
1.2
2.0
Full power-down
VDD = 5.25V
3.5
15
μA
VDD = 3.6V
1.2
10
Fast power-down (MAX149)
30
70
Supply Rejection (Note 12)
PSR
Full-scale input, external reference =
2.500V, VDD = 2.7V to 5.25V
±0.3
mV
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參數描述
MAX149AEPP+ 功能描述:模數轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149AMJP 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCAP 功能描述:模數轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCAP+ 功能描述:模數轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX149BCAP+T 功能描述:模數轉換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32